Self-heating soldering-iron.



F. J. MAML SELF HEATING SGLDBRING' IRON. APPLICATION FILED DEU. 21, 1907.

Patented 001;. 6, 1908.

WW1/momo j L nNrTED sTATEsrArnNT ormon.

FRANK J. MANN, OF SORANTON, PENNSYLVANIA, ASSIGNOR TO SELF-HEATING SOLDERING IRON COMPANY, A CORPORATION OF NEW YORK.

SELF-HEATIN G SOLDERING-IRON.

SpecificationV of Letters Patent.

Patented Oct. 6, 1908.

To all whom 'it may concern.'

Be it known that I, FRANK J. MANN, citi- Zen of the United States, residing at Scranton, in the county of Lackawanna and Statefof Pennsylvania, have invented certain new and useful Improvements in Self-Heating Soldering-Irons, of which the following is a specification.

My invention relates to self-heating soldering irons, and has for its object the construction of an implement bearing its own fuel supply, and having special formation and particular arrangement of parts, whereby it is believed that it is kept sufficiently heated longer with the same amount of gasolene than is the case with other like articles with which I am familiar.

Further, while my invention is lthought to be well adapted for general use, the special construction and peculiar .disposition of the parts renders it available for numerous jobs of work out of the general line.

The stated objective construction is set forth in the accompanying drawings, of which Figure l represents a side' view, principally in vertical section, and Fig. 2 is a fragmentary vertical section taken upon a plane at right angles to the section'of Fig. 1 and following the indirect line x-x-`-y.

Like reference letters are employed to point out the same parts throughout the specication and drawings.

The customary block of metal A for melting and applying the solder, has the cavity B, from which extend upwardly a plurality of tubes C, D, secured in the closure E that suitably stops the lower end of the inner or main tube F. The cavity B is thus by way of the tubes C and D in open communication with the interior of the tube F. A fuel space G may be left between the closure or plug E and the valve device I-I. Any desired form of valve may be used. Its office is to admit gasolene from the reservoir J into tube F,

tubes C, D, and cavity B.

In order that my invention may be manipulated without inconvenience from the considerable heat generated, it is usual to provide the handle with a relatively thick outer covering K of leather or the like, which lies immediately around a tube L. The tube L incloses the upper portion of the longer or main tube F, and a protective sleeve M of asbestos is placed between the two tubes.

In Fig. 2 it will be noted that the curved tube N opens into the cavity B of block A, and it will likewise be seen in both Figs. 1 and 2 that the tube N has a nipple O. The bell P surrounds all the tubes with its mouth towards the block A, and directs the flame upon the block A and confines the flame to the vicinity of the tubes.

The tube Q illustrated in both figures is only used when the fuel is. coal oil, which is found to work better with the tube Q opening at its upper end into the reservoir J, and having its lower end closed and arranged in the field of the ilame.

In order that coal oil may be suitably sprayed through the, ordinarily, very small duct of the nipple O, it seems to be necessary to create a vapor pressure in addition to that required for gasolene which is the fuel usually employed. To aid in promptly setting up the augmented pressure is the function of the extra tube Q extending from the flame area` directly into the reservoir, as described.

The operation of my invention may be begun by inverting the whole device and pouring a little gasolene into the bell. This being ignited, the tubes C, D, and N and the block,

A become heated, and when the gasolene is admitted to those parts by turning valve H, the gasolene is vaporized and a jet of the vapor streams from the nipple O, at once igniting in the presence of air and continuing the heating of the parts while the supply of fuel lasts.

The particular arrangement shown and attainable by reason of the special construction described, renders my invention especially adapted for certain pieces of work where the surfaces to which the solder is to be applied are difficult to reach, as the inside corners of boxes or the bottoms of odd shaped cavities.

Havin now described my inventionand explaine the mode of its operation, what I claim isl. In a self-heating soldering iron, the combination with a hollowv body portion, of a soldering iron or block provided with a cavity, tubes arranged to afford communication from the cavity of said block with the said hollow body, a valve device arranged to shut olf such communication, and a tube projecting exteriorly from the said block and having a nipple whereby a jet of vapor may be directed towards the said block, the said tube being in communication with the said soldering iron, the supply o't' v[luid being governed by the said valve device, substantially as described.

2. In a self-heating soldering iron, the combination with a hollow body portion adapted to contain fluid fuel, of a soldering. iron having` a cavity, tubes arranged to afford communication from the cavity of said block with the said hollow portion, a bent tube extending from and returning to the cavity iron and passing between the said tubes 'first mentioned, the said bent tube having a nipple arranged exteriorly between the said tubes first mentioned and near the iron whereby a jet of vapor may be directed towards the said iron, substantially as described.

3. In a self-heatingsoldering iron, the com bination with a hollow body portion, ol a soldering iron or block provided with a cavity, tubes arranged to alord communicationl `from the cavity oi said block with the said hollow body, a valve device arranged to shut oli such communication, a bell surrounding the said tubes, and a tube having a nipple whereby a jet of vapor may be directed towards the said block, the said tube being in communication with the soldering iron, the supply of fluid being governed by the said i valve device, substantially as described. i

4. In a self-heating soldering iron, the coml, bination with a soldering iron or block prol vided with a cavity, of a handle portion provided with a reservoir, tubular connections extending between the said handle portion and the said block whereby the reservoir may be placed in communication with the cavityv of the said block, a valve arranged to shut oll` such communication, a nippleV arranged exteriorly near the block and adapted to direct a jet ot vapor towards the said. block, the said nipple being in communication with the said iron, and the said valve being arranged to shut ell the [luid supply, substantially as described.

5. In a sell-heating soldering iron, theeoaibination with a soldering iron or block provided with a cavity, oll a handle portion pro vided with a reservoir, tubula connections extending between tho said handle portion and the said block whereby the reservoir may be placed in communication with the eavit)v of said block, a nipple arranged exteriorly near the block and adapted to direct a jet ol' vapor towards the block, the said nipple being in communication with the said iron, and a valve arranged to shut olll the lluid supply, substantially as described.

ln testimony whereoll l allix my signature in presence ol two witnesses.

FRANK J. MANN.

Wvitnesses:

'lon liAnNnY, M. (l. Burns. 

